/* ===== 全局重置 & 基础 ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background: #f5f7fa;
            color: #333;
            min-width: 1200px;
            overflow-x: auto;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul,
        li {
            list-style: none;
        }
        .container {
            width: 1000px;
            margin: 0 auto;
        }

        /* ===== 顶部导航 ===== */
        .f-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: #fff;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            transition: all 0.2s;
        }
        .f-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0;
        }
        .logo {
            display: flex;
            align-items: center;
            font-size: 22px;
            font-weight: 700;
            color: #1a2a3a;
            letter-spacing: 1px;
        }
        .logo img {
            height: 38px;
            margin-right: 12px;
        }
        .logo .gold {
            color: #c8a063;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 40px;
            font-size: 16px;
            font-weight: 500;
            color: #444;
            flex: 1;
            justify-content: flex-end;
            padding-right: 40px;
        }
        .nav-menu a {
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            color: #c8a063;
            border-bottom-color: #c8a063;
        }
/* ===== 导航栏「立即使用」按钮 - 修复版 ===== */
.nav-cta {
    background: #c8a063;
    color: #fff !important;
    padding: 10px 32px!important;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
    line-height: 1.4;
    white-space: nowrap;
    box-shadow: 0 4px 16px rgba(200, 160, 99, 0.30);
    letter-spacing: 1px;
}

.nav-cta:hover {
    background: #b08a4a;
    color: #fff !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(200, 160, 99, 0.45);
}

.nav-cta:active {
    transform: translateY(0px);
    box-shadow: 0 4px 12px rgba(200, 160, 99, 0.25);
}

        /* ===== 首屏 Hero ===== */
        .hero {
            width: 100%;
            height: 700px;
            background: linear-gradient(135deg, #f0e8d8 0%, #e6dcc8 100%);
            margin-top: 76px;
            position: relative;
            overflow: hidden;
        }
        .hero .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
            position: relative;
            z-index: 2;
        }
        .hero-left {
            flex: 1;
            padding-right: 40px;
        }
        .hero-left .badge {
            display: inline-block;
            background: rgba(200, 160, 99, 0.2);
            color: #c8a063;
            font-size: 14px;
            font-weight: 600;
            padding: 4px 18px;
            border-radius: 20px;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }
        .hero-left h1 {
            font-size: 52px;
            font-weight: 700;
            line-height: 1.2;
            color: #1a2a3a;
            margin-bottom: 8px;
        }
        .hero-left h1 .light {
            font-weight: 300;
            color: #5a6a7a;
        }
        .hero-left h1 .highlight {
            color: #c8a063;
        }
        .hero-left .slogan-en {
            font-size: 20px;
            font-weight: 400;
            color: #8a7a6a;
            letter-spacing: 3px;
            margin: 6px 0 12px;
            font-style: italic;
            border-left: 3px solid #c8a063;
            padding-left: 16px;
        }
        .hero-left .sub {
            font-size: 20px;
            color: #6a7a8a;
            margin: 16px 0 28px;
            letter-spacing: 2px;
        }
        .hero-left .sub .gold {
            color: #c8a063;
            font-weight: 600;
        }
        .hero-left .desc {
            font-size: 16px;
            color: #7a8a9a;
            line-height: 1.8;
            max-width: 420px;
            margin-bottom: 32px;
        }
        .hero-left .actions {
            display: flex;
            gap: 16px;
            align-items: center;
        }
        .btn-outline {
            background: transparent;
            color: #1a2a3a;
            padding: 12px 32px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 600;
            border: 2px solid #c8a063;
            cursor: pointer;
            transition: 0.2s;
            display: inline-block;
        }
        .btn-outline:hover {
            background: #c8a063;
            color: #fff;
        }
        .hero-right {
            flex: 0 0 420px;
            text-align: center;
            position: relative;
        }
        .hero-right .phone-mock {
            width: 100%;
            max-width: 380px;
            border-radius: 32px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
            background: #fff;
            padding: 16px 16px 20px;
            position: relative;
        }
        .hero-right .phone-mock img {
            width: 100%;
            border-radius: 20px;
            display: block;
        }
        .hero-right .phone-mock .qr-hint {
            font-size: 14px;
            color: #6a7a8a;
            text-align: center;
            margin-top: 10px;
            letter-spacing: 2px;
            font-weight: 500;
        }
        .hero-right .float-tag {
            position: absolute;
            background: #fff;
            border-radius: 12px;
            padding: 10px 18px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
            font-size: 13px;
            font-weight: 500;
            color: #1a2a3a;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-right .float-tag .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #52c41a;
            display: inline-block;
        }
        .hero-right .float-tag.t1 {
            top: 20px;
            right: -20px;
        }
        .hero-right .float-tag.t2 {
            bottom: 60px;
            left: -30px;
        }

        /* ===== 通用标题 ===== */
        .section-title {
            text-align: center;
            font-size: 36px;
            font-weight: 600;
            color: #1a2a3a;
            padding-top: 80px;
            padding-bottom: 8px;
            line-height: 1.3;
        }
        .section-title:after {
            content: '';
            display: block;
            width: 53px;
            height: 5px;
            background: #c8a063;
            margin: 12px auto 32px;
            border-radius: 4px;
        }
        .section-title .gold {
            color: #c8a063;
        }

        /* ===== 特色卡片 ===== */
        .section-features {
            background: #fff;
            padding-bottom: 60px;
        }
        .features-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
        }
        .feature-card {
            width: 302px;
            background: #fafbfc;
            border-radius: 16px;
            padding: 32px 28px 28px;
            text-align: center;
            transition: 0.3s;
            border: 1px solid transparent;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.06);
            border-color: #c8a063;
            background: #fff;
        }
        .feature-card .icon {
            width: 72px;
            height: 72px;
            margin: 0 auto 16px;
            background: rgba(200, 160, 99, 0.10);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 34px;
        }
        .feature-card h3 {
            font-size: 20px;
            font-weight: 600;
            color: #1a2a3a;
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 14px;
            color: #8a9aaa;
            line-height: 1.7;
        }

        /* ===== 换算类型展示 ===== */
        .section-types {
            background: #f8f9fb;
            padding-bottom: 80px;
        }
        .types-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 16px;
            justify-content: center;
            padding: 12px 0 24px;
        }
        .types-cloud .tag {
            background: #fff;
            padding: 8px 22px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            color: #1a2a3a;
            border: 1px solid #e8ecf0;
            transition: 0.2s;
            cursor: default;
        }
        .types-cloud .tag:hover {
            border-color: #c8a063;
            color: #c8a063;
            box-shadow: 0 4px 12px rgba(200, 160, 99, 0.12);
        }
        .types-cloud .tag.hot {
            background: #c8a063;
            color: #fff;
            border-color: #c8a063;
        }
        .types-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 10px 16px;
            background: #fff;
            padding: 24px 28px;
            border-radius: 20px;
            margin-top: 20px;
            border: 1px solid #eef0f2;
        }
        .types-grid .item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 500;
            color: #2c3e4f;
            padding: 6px 0;
            border-bottom: 1px dashed rgba(0, 0, 0, 0.04);
        }
        .types-grid .item .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #c8a063;
            flex-shrink: 0;
        }
        .types-grid .item .count {
            font-size: 12px;
            color: #b0b8c0;
            font-weight: 400;
            margin-left: auto;
        }
        .types-foot {
            text-align: right;
            font-size: 14px;
            color: #b0b8c0;
            margin-top: 12px;
            letter-spacing: 1px;
        }

        /* ===== 数据统计 ===== */
        .section-stats {
            background: #fff;
            padding: 60px 0 80px;
        }
        .stats-grid {
            display: flex;
            justify-content: space-around;
            text-align: center;
        }
        .stats-grid .stat-item .number {
            font-size: 44px;
            font-weight: 700;
            color: #c8a063;
            line-height: 1.2;
        }
        .stats-grid .stat-item .label {
            font-size: 16px;
            color: #8a9aaa;
            margin-top: 6px;
        }

        /* ===== 底部 CTA ===== */
        .section-cta {
            background: #c8a063;
            text-align: center;
            padding: 56px 0 40px;
        }
        .section-cta h2 {
            font-size: 36px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }
        .section-cta p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
        }
        .section-cta .qr-wrap {
            display: inline-block;
            background: #fff;
            padding: 16px 24px 20px;
            border-radius: 20px;
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.10);
        }
        .section-cta .qr-wrap img {
            width: 160px;
            height: 160px;
            display: block;
            border-radius: 8px;
        }
        .section-cta .qr-wrap .qr-label {
            font-size: 14px;
            color: #1a2a3a;
            font-weight: 500;
            margin-top: 10px;
            letter-spacing: 2px;
        }
        .section-cta .footer-legal {
            margin-top: 48px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 28px;
            display: flex;
            justify-content: center;
            gap: 32px;
            flex-wrap: wrap;
        }
        .section-cta .footer-legal a {
            color: rgba(255, 255, 255, 0.7);
            transition: 0.2s;
        }
        .section-cta .footer-legal a:hover {
            color: #fff;
        }

        /* ===== 响应式（桌面优先，保留最小宽度） ===== */
        @media screen and (max-width: 1024px) {
            body {
                min-width: 100%;
            }
            .container {
                width: 92%;
                margin: 0 auto;
            }
            .hero {
                height: auto;
                padding: 120px 0 60px;
            }
            .hero .container {
                flex-direction: column;
                text-align: center;
            }
            .hero-left {
                padding-right: 0;
                margin-bottom: 40px;
            }
            .hero-left .desc {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-left .actions {
                justify-content: center;
            }
            .hero-right {
                flex: none;
                width: 280px;
            }
            .hero-right .phone-mock {
                max-width: 280px;
            }
            .hero-right .float-tag {
                display: none;
            }
            .feature-card {
                width: 46%;
            }
            .types-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stats-grid {
                flex-wrap: wrap;
                gap: 24px;
            }
            .nav-menu {
                gap: 20px;
                padding-right: 16px;
                font-size: 14px;
            }
            .nav-cta {
                padding: 6px 18px;
                font-size: 14px;
            }
            .logo {
                font-size: 18px;
            }
        }
        @media screen and (max-width: 640px) {
            .f-header .container {
                flex-wrap: wrap;
                gap: 8px;
            }
            .nav-menu {
                order: 3;
                flex: 1 1 100%;
                justify-content: center;
                padding-right: 0;
                gap: 14px;
                font-size: 13px;
            }
            .nav-cta {
                order: 2;
            }
            .hero-left h1 {
                font-size: 32px;
            }
            .hero-left .sub {
                font-size: 16px;
            }
            .feature-card {
                width: 100%;
            }
            .types-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 28px;
                padding-top: 48px;
            }
            .section-cta h2 {
                font-size: 28px;
            }
            .section-cta .qr-wrap img {
                width: 120px;
                height: 120px;
            }
        }
		
		/* ===== 新增动画特效 ===== */

/* 基础淡入上移动画 (用于滚动触发) */
.animate {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.animate.fade-in-up {
    opacity: 1;
    transform: translateY(0);
}

/* 浮动动画 (用于右上角标签) */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
    100% { transform: translateY(0px); }
}
.float-tag {
    animation: float 3s ease-in-out infinite;
}
/* 为两个标签设置不同的延迟，使其错落有致 */
.float-tag.t1 { animation-delay: 0s; }
.float-tag.t2 { animation-delay: 1.5s; }

/* 微小脉动动画 (用于“1秒速算”的圆点) */
@keyframes pulse {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.2); }
    100% { opacity: 1; transform: scale(1); }
}
.float-tag .dot {
    animation: pulse 2s ease-in-out infinite;
}

/* 卡片悬停增强 */
.feature-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 16px 48px rgba(200, 160, 99, 0.15);
}

/* 统计数字字体优化 */
.stat-number {
    font-variant-numeric: tabular-nums;
    display: inline-block;
}

/* ===== 浮动标签持续动效 ===== */
.float-tag {
    animation: float 2.5s ease-in-out infinite;
    will-change: transform; /* 提升性能 */
}

/* 为两个标签设置不同的延迟，使动作错落有致 */
.float-tag.t1 {
    animation-delay: 0s;
}
.float-tag.t2 {
    animation-delay: 1.2s;
}

/* 自定义浮动关键帧 —— 幅度更大，更明显 */
@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-18px) rotate(2deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

/* 内部小圆点也持续脉动 */
.float-tag .dot {
    animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.3); }
    100% { opacity: 1; transform: scale(1); }
}

.feature-card .icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 16px;
    background: rgba(200, 160, 99, 0.10);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 34px;
}